Portable suction device for cleaning jobs
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United States of America Patent
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-
Sep 7, 2010
Grant Date -
Nov 30, 2006
app pub date -
May 17, 2006
filing date -
May 26, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A suction device for cleaning jobs comprising a bladed impeller (1) actuated by a motor and suitable for being housed inside a carcass provided with an inlet opening for an airflow and an outlet opening, where said impeller (1) comprises a first series of blades (2) and a second series of blades (3), which rotate firmly fixed together, coaxial to each other and distributed in a staggered manner, suitable for respectively generating an axial flow and a radial flow, said second series of blades (3) being arranged downstream of the first series of blades (2), with respect to the inlet opening, so that the air sucked in is transmitted from the first series of blades (2) to the second series of blades (3) before it reaches the outlet opening.
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